Abstract: A cooking appliance includes a cooking compartment having a loading opening and a cooking compartment door for closing off the loading opening, with the cooking compartment door including a viewing window. A camera is directed into the cooking compartment for recording an image in the cooking compartment. Coupled to the camera is an image processing facility which is configured to anonymize an image region in the image recorded by the camera.

Abstract: A method for calibrating an oxygen sensor of a household appliance includes a calibration process which is automatically started when at least one status parameter of the household appliance has at least reached a predetermined threshold value. The household appliance can be a steam cooking appliance, and the oxygen sensor can be a lambda probe.

Abstract: A household appliance includes a treatment chamber closable by a door for treatment of items to be treated by a plurality of treatment processes, and a proximity detector designed to identify a presence of a person approaching the household appliance. The household appliance is designed to carry out an action in dependence on a state of a treatment process in progress, when identifying an approach of the person.

Abstract: A cooking appliance includes a cooking compartment having a loading opening and a cooking compartment door for closing off the loading opening, with the cooking compartment door including a viewing window. A camera is directed into the cooking compartment for recording an image in the cooking compartment. Coupled to the camera is an image processing facility which is configured to anonymize an image region in the image recorded by the camera.

Abstract: A method for calibrating an oxygen sensor of a household appliance includes a calibration process which is automatically started when at least one status parameter of the household appliance has at least reached a predetermined threshold value. The household appliance can be a steam cooking appliance, and the oxygen sensor can be a lambda probe.

Abstract: A cooking appliance includes a cooking chamber for cooking a product to be cooked. An air-guiding plate is arranged in the cooking chamber and coupled by a coupling device to a transmitter/receiver unit which transmits and/or receives a high frequency signal. The air-guiding plate is configured as a planar antenna for transmitting the high frequency signal between the coupling device and a sensor that can be arranged in the cooking chamber.

Abstract: The holding device (2) is formed from brackets (3) which can be inserted into the item to be cooked (1) and from a handle (8) in each instance. According to the invention, the at least one bracket (3) comprises a handle (8) which protrudes radially on all sides in one piece across the bracket. The handles (8) have a polygonal peripheral edge (8) which protrudes across the bracket (3).

Abstract: The invention relates to a method and a circuit arrangement for preventing overheating of a cooking appliance. The arrangement includes a power circuit with a heating element and a control circuit with a coupling switch. The control circuit and the power circuit are coupled by the coupling switch. The arrangement further includes a safety switch to the control circuit. The coupling switch interrupts a power supply to the power circuit to the heating element when a limiting temperature in the cooking appliance is exceeded.

Abstract: A roller tool is used within a sheet deformation facility for the linear deformation of sheet metal. The roller tool comprises a press roller having a shaft and a roller body rolling around the same as well as a counterbody. The press roller and the counterbody can be jointly moved in a linear manner relative to a sheet positioned between them that is to be processed for performing the sheet metal deformation. The roller body has a plurality of roller discs which are adjacent to each other, which together form the section of the roller body that can be placed onto the sheet to be processed and which can rotate around the shaft independently of each other. The sheet deformation facility is furthermore provided with a roller tool support and a drive for pivoting the roller tool support around an axis perpendicular to the sheet that is to be processed.

Abstract: The invention relates to a circuit arrangement for preventing overheating of a cooking appliance, comprising a power circuit in which at least one heating element (11 to 14) is connected and a control circuit in which at least one coupling switch (21 to 27) is connected, wherein the control circuit and the power circuit are electrically coupled by means of the coupling switch (21 to 27), wherein a safety switch (5) is connected into the control circuit, and said safety switch can be actuated depending on the temperature in the cooking appliance in such a manner when a limiting temperature in the cooking appliance is exceeded, the coupling switch (21 to 27) interrupts a power supply via the power circuit to the heating element (11 to 14). The invention also relates to a method for preventing overheating of a cooking appliance.

Abstract: A heater comprises a casing, which has an interior chamber. It further comprises a rotor, which is formed as an impeller on the one hand and as an eddy-current disk on the other, and a magnet support, which is equipped with permanent magnets and disposed non-rotarily in the casing and which is displaceable into an operating position in the direct neighborhood of the eddy-current disk and into a position of rest spaced therefrom. The eddy-current disk and the magnet support equipped with permanent magnets are rinsed by water.

Abstract: A longitudinally adjustable gas spring for adjustable-height chairs, tables or the like has an external cylinder, in which a piston is guided for displacement, to which a piston rod is secured, which is guided out of the exterior cylinder. The exterior cylinder has a thin hard external nitrided layer and a considerably softer core layer enclosing the inside wall of the exterior cylinder.

Abstract: A method for the production of an internal slide surface on a guide sleeve of plastic material for a length-adjustable chair column consists in that the internal surface of the guide sleeve is provided with surfaces, which are undersize in proportion to a to-be-guided housing of a gas spring. Recesses are located between the individual surfaces and are oversize in proportion to the housing of the gas spring to be guided. Partial cylinder surfaces are broached in the surfaces between the recesses by broaching and in common they represent a slide surface. These measures ensure impeccable broaching with high surface quality and dimensional precision of the slide surface. Moreover, the remaining recesses, which may have the form of grooves of arbitrary cross-section, can be used as storage chambers for a lubricant.

Abstract: A lockable tilting apparatus for the seats of chairs and which can be used selectively either for chairs which tilt backward or for chairs which tilt forward, comprising a base plate securable to chair seat and a stationary body member adapted to be supported by the pedestal of the chair, spring means supported by said stationary body member, means supported by said stationary body member mounting said base plate for tilting pivotal movement relative to said stationary body member, link means engaging and movable with said base plate against the restoring force of said spring means whereby said base plate is tiltably movable relative to said body member against the restoring force of said spring means; and wherein a locking apparatus which is actuatable by displacement of an operating lever between two terminal positions is provided for selectively locking the base plate against tilting movement or for releasing the base plate for tilting movement, characterized by a slide member mounted in said body member f

Abstract: A gas spring for maintaining motor vehicle trunk lids or hatchbacks open, comprises a gas spring piston having a circumferential groove for retaining therewithin a snap ring, and a cooperative annular recessed groove in the internal wall of the cylinder housing located at a position of maximum movement of the piston rod from the cylinder so that in such position the piston is locked in place.